This is the 10481st most frequent Polish word.
człuchowian
A resident or native of Człuchów, a town in Poland.
Here 'człuchowian' is used as a noun to refer to a male inhabitant of the town Człuchów.
Ten człuchowian jest znanym sportowcem.
This person from Człuchów is a well-known athlete.
Here 'człuchowianie' (plural of 'człuchowian') refers to the inhabitants of Człuchów collectively.
Człuchowianie są dumni ze swojego miasta.
The people of Człuchów are proud of their town.
In this sentence, 'człuchowianina' is the accusative singular form of 'człuchowian,' reflecting the direct object of the verb.